#include<stdio.h>
int f(int a,int b){
    int c;
    if(a>b){
        c = 1;
    }
    else if(a==b){
        c = 0;
    }
    else{
        c = -1;
    }
    return c;
}
void main(){
    int i=2,p;
    int f(int a,int b);
    p = f(i,++i);
    printf("%d\n",p);
}